package com.atguigu.mapper;

import com.atguigu.pojo.User;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

public interface UserMapper extends BaseMapper<User> {
    default void jaja(){
        System.out.println(1);
    };
    default String ff(){
        return "ff";
    }

    default void haha(){
        System.out.println(66);
    }
}
